Perky-Pet yellow replacement flower feeding ports with bee guards are an economical, convenient way to extend the life of your hummingbird feeders and keep them in perfect working order. These replacement ports are compatible with Perky-Pet models 209, 209B, 210P, 210PB, 211, 216, 221, 260P, 262, 409 and 410PB. Each port features a built-in bee guard to keep bees out of nectar so your feeders are reserved just for the birds. For your convenience, these ports are easy to install. Simply snap off a broken or damaged flower port and snap on the new one.